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Physiological and transcriptome analyses highlight multiple pathways involved in drought stress in Medicago falcata

Li, Qian ; Gu, Lili ; Song, Jiaxing ; Li, Chenjian ; Zhang, Yanhui ; Wang, Yuxiang ; Pang, Yongzhen ; Zhang, Bo Jain, Mukesh

PloS one, 2022-04, Vol.17 (4), p.e0266542-e0266542 [Periódico revisado por pares]

United States: Public Library of Science

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Physiological and transcriptome analyses highlight multiple pathways involved in drought stress in Medicago falcata
Autor: Li, Qian ; Gu, Lili ; Song, Jiaxing ; Li, Chenjian ; Zhang, Yanhui ; Wang, Yuxiang ; Pang, Yongzhen ; Zhang, Bo
Jain, Mukesh
Assuntos: Alfalfa ; Animal sciences ; Antioxidants ; Arid regions ; Beans ; Biology and Life Sciences ; Biosynthesis ; China ; Climate change ; Crops ; Drought ; Drought resistance ; Droughts ; Ecology ; Ecology and Environmental Sciences ; Environmental science ; Enzymes ; Forage crops ; Gene expression ; Gene Expression Profiling - methods ; Gene Expression Regulation, Plant ; Genes ; Genetic aspects ; Genomics ; Gluconeogenesis ; Glycolysis ; Grasslands ; Influence ; Laboratories ; Legumes ; Medicago - genetics ; Mimosaceae ; Nitrogen ; Physiological aspects ; Physiology ; Plant breeding ; Seeds ; Semi arid areas ; Semiarid lands ; Semiarid zones ; Stress, Physiological - genetics ; Transcriptome ; Transcriptomes ; Water shortages ; Zoology
É parte de: PloS one, 2022-04, Vol.17 (4), p.e0266542-e0266542
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Competing Interests: The authors have declared that no competing interests exist.
Descrição: Medicago falcata is one of the leguminous forage crops, which grows well in arid and semiarid region. To fully investigate the mechanism of drought resistance response in M. falcata, we challenged the M. falcata plants with 30% PEG-6000, and performed physiological and transcriptome analyses. It was found that, the activities of antioxidant enzymes (eg. SOD, POD, and CAT) and soluble sugar content were all increased in the PEG-treated group, as compared to the control group. Transcriptome results showed that a total of 706 genes were differentially expressed in the PEG-treated plants in comparison with the control. Gene enrichment analyses on differentially expressed genes revealed that a number of genes in various pathway were significantly enriched, including the phenylpropanoid biosynthesis (ko00940) and glycolysis/gluconeogenesis (ko00010), indicating the involvement of these key pathways in drought response. Furthermore, the expression levels of seven differentially expressed genes were verified to be involved in drought response in M. falcata by qPCR. Taken together, these results will provide valuable information related to drought response in M. falcata and lay a foundation for molecular studies and genetic breeding of legume crops in future research.
Editor: United States: Public Library of Science
Idioma: Inglês

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Physiological and transcriptome analyses highlight multiple pathways involved in drought stress in Medicago falcata

Li, Qian ; Gu, Lili ; Song, Jiaxing ; Li, Chenjian ; Zhang, Yanhui ; Wang, Yuxiang ; Pang, Yongzhen ; Zhang, Bo Jain, Mukesh

United States: Public Library of Science

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